"You can see him tomorrow," she nodded. "He wasn't trying to escape from anything. He just checked himself in. It's more like...there's an imbalance of chemicals in his brain and he needs medication and to be somewhere safe to sort it out." That was a rather clinical explanation of depression.
"There's more," she admitted. "He told me more and it'll upset you to hear it. I can tell you it's going to be fine even if you don't know. But I'll tell you if you want to hear it."